DELTA LAKE 的最佳功能：喜欢您的开放桌子.pdf

1、2024 Databricks Inc.All rights reservedBest Features Best Features of Delta Lake:of Delta Lake:Love your open Love your open tablestablesYoussef Mrini:Senior Solution Engineer at DatabricksYoussef Mrini:Senior Solution Engineer at DatabricksMatthew Powers:Staff Developer Advocate at DatabricksMatthe

2、w Powers:Staff Developer Advocate at Databricks12024 Databricks Inc.All rights reserved2024 Databricks Inc.All rights reservedData intelligence architectureReliable transactions Rollback Compatible with pandas/Polars/DataFusion/PySpark Safe partition operationsDelete rows(boosted by deletion vectors

3、)Powerful merge operationsSchema evolutionGenerated columnsConstraints and checksLiquid clustering2AgendaAgendaThe awesome features we will cover todayThe awesome features we will cover today2024 Databricks Inc.All rights reserved2024 Databricks Inc.All rights reservedLakehouse architectureLakehouse

4、 architecture32024 Databricks Inc.All rights reserved2024 Databricks Inc.All rights reservedData intelligence architectureData intelligence architecture42024 Databricks Inc.All rights reserved2024 Databricks Inc.All rights reserved5Reliable transactionsReliable transactions2024 Databricks Inc.All ri

5、ghts reserved2024 Databricks Inc.All rights reserved6Rollback with RESTORERollback with RESTORE2024 Databricks Inc.All rights reserved2024 Databricks Inc.All rights reserved7Compatible with pandas/polars/PysparkCompatible with pandas/polars/Pyspark2024 Databricks Inc.All rights reserved2024 Databric

6、ks Inc.All rights reserved8Safe partition operationsSafe partition operations2024 Databricks Inc.All rights reserved2024 Databricks Inc.All rights reservedDelete rowsDelete rowsHow does it Work?How does it Work?Deletion Vectors remove the need to re-write files when rows in files are deleted.Instead